Great Northern Engineering Drawing: Immigration-Customs Building at Blaine-White Rock, Washington, prepared in 1974. Burlington Northern File Number 7687-1, Reference Number 10111, Sheet 001.

Great Northern Engineering Drawing: Immigration-Customs Building at Blaine-White Rock, Washington, prepared in 1974. Burlington Northern File Number 7687-2, Reference Number 10112.

Great Northern Engineering Drawing: Immigration-Customs Building at Blaine-White Rock, Washington, prepared in 1974. Burlington Northern File Number 7687-3, Reference Number 10110, Sheet 003.